./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:33:55,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:33:55,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:33:55,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:33:55,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:33:55,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:33:55,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:33:55,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:33:55,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:33:55,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:33:55,780 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:33:55,781 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:33:55,781 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:33:55,782 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:33:55,782 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:33:55,783 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:33:55,783 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:33:55,784 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:33:55,784 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:33:55,785 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:33:55,786 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:33:55,786 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:33:55,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:33:55,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:33:55,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:33:55,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:33:55,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:33:55,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:33:55,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:33:55,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:33:55,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:33:55,791 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:33:55,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:33:55,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:33:55,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:33:55,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:33:55,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:33:55,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:33:55,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:33:55,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:33:55,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:33:55,793 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:33:55,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:33:55,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:33:55,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:33:55,794 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:33:55,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:33:55,794 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2023-12-02 13:33:55,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:33:56,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:33:56,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:33:56,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:33:56,027 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:33:56,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-12-02 13:33:58,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:33:59,134 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:33:59,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-12-02 13:33:59,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/data/cbb91570e/e87b4786c5d44a768790faec5c47443b/FLAG9eb784e51 [2023-12-02 13:33:59,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/data/cbb91570e/e87b4786c5d44a768790faec5c47443b [2023-12-02 13:33:59,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:33:59,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:33:59,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:33:59,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:33:59,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:33:59,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:59" (1/1) ... [2023-12-02 13:33:59,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706a8069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:59, skipping insertion in model container [2023-12-02 13:33:59,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:59" (1/1) ... [2023-12-02 13:33:59,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:33:59,478 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-12-02 13:34:00,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:34:00,598 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:34:00,609 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-12-02 13:34:00,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:34:00,897 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 13:34:00,905 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:34:00,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00 WrapperNode [2023-12-02 13:34:00,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:34:00,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:34:00,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:34:00,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:34:00,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:00,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,048 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1099 [2023-12-02 13:34:01,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:34:01,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:34:01,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:34:01,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:34:01,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:34:01,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:34:01,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:34:01,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:34:01,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (1/1) ... [2023-12-02 13:34:01,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:34:01,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:34:01,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:34:01,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:34:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-12-02 13:34:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-12-02 13:34:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 13:34:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-12-02 13:34:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 13:34:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 13:34:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 13:34:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 13:34:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 13:34:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 13:34:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-12-02 13:34:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-12-02 13:34:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-12-02 13:34:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 13:34:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:34:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 13:34:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-12-02 13:34:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-12-02 13:34:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:34:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 13:34:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:34:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:34:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-12-02 13:34:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-12-02 13:34:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-12-02 13:34:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-12-02 13:34:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-12-02 13:34:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-12-02 13:34:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:34:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:34:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-12-02 13:34:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-12-02 13:34:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 13:34:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:34:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:34:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-12-02 13:34:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-12-02 13:34:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 13:34:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 13:34:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-12-02 13:34:01,223 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-12-02 13:34:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-12-02 13:34:01,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-12-02 13:34:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-12-02 13:34:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-12-02 13:34:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 13:34:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 13:34:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 13:34:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-12-02 13:34:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-12-02 13:34:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-12-02 13:34:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-12-02 13:34:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-12-02 13:34:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-12-02 13:34:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-12-02 13:34:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-12-02 13:34:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-12-02 13:34:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-12-02 13:34:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:34:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-12-02 13:34:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-12-02 13:34:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-12-02 13:34:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-12-02 13:34:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-12-02 13:34:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-12-02 13:34:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 13:34:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 13:34:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 13:34:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 13:34:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:34:01,498 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:34:01,501 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:34:02,588 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:34:02,980 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:34:02,981 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 13:34:02,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:02 BoogieIcfgContainer [2023-12-02 13:34:02,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:34:02,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:34:02,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:34:02,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:34:02,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:59" (1/3) ... [2023-12-02 13:34:02,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac77f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:02, skipping insertion in model container [2023-12-02 13:34:02,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:00" (2/3) ... [2023-12-02 13:34:02,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac77f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:02, skipping insertion in model container [2023-12-02 13:34:02,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:02" (3/3) ... [2023-12-02 13:34:02,991 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2023-12-02 13:34:03,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:34:03,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-12-02 13:34:03,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac77f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:34:03, skipping insertion in model container [2023-12-02 13:34:03,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:34:03,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:34:03,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:34:03,012 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:34:03,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:02" (3/3) ... [2023-12-02 13:34:03,015 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 13:34:03,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-12-02 13:34:03,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-12-02 13:34:03,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-12-02 13:34:03,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-12-02 13:34:03,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-12-02 13:34:03,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-12-02 13:34:03,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-12-02 13:34:03,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-12-02 13:34:03,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-12-02 13:34:03,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-12-02 13:34:03,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-12-02 13:34:03,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-12-02 13:34:03,046 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 238 nodes and edges [2023-12-02 13:34:03,049 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2023-12-02 13:34:03,052 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-02 13:34:03,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 13:34:03,058 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 13:34:03,061 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 13:34:03,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 13:34:03,293 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 13:34:03,293 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:34:03,295 INFO L158 Benchmark]: Toolchain (without parser) took 4113.06ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 95.7MB in the beginning and 58.7MB in the end (delta: 37.0MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2023-12-02 13:34:03,295 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 69.3MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:34:03,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1723.50ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 86.4MB in the end (delta: 9.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2023-12-02 13:34:03,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.94ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 76.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 13:34:03,297 INFO L158 Benchmark]: Boogie Preprocessor took 100.16ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 68.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 13:34:03,297 INFO L158 Benchmark]: RCFGBuilder took 1831.82ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 68.3MB in the beginning and 83.9MB in the end (delta: -15.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-12-02 13:34:03,298 INFO L158 Benchmark]: TraceAbstraction took 26.04ms. Allocated memory is still 186.6MB. Free memory was 83.9MB in the beginning and 81.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:34:03,298 INFO L158 Benchmark]: Witness Printer took 281.09ms. Allocated memory is still 186.6MB. Free memory was 81.7MB in the beginning and 58.7MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 13:34:03,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 69.3MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1723.50ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 86.4MB in the end (delta: 9.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.94ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 76.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.16ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 68.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1831.82ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 68.3MB in the beginning and 83.9MB in the end (delta: -15.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 26.04ms. Allocated memory is still 186.6MB. Free memory was 83.9MB in the beginning and 81.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 281.09ms. Allocated memory is still 186.6MB. Free memory was 81.7MB in the beginning and 58.7MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-12-02 13:34:03,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc0ad6e-828a-4d81-bbe4-2f05b31a1917/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE